Someone tells you a lot more than you ever wanted to know about their past (work, personal life, problems, etc). Too much info, too many details, not all of it is relevant or important to the present time.
When I asked about her work experience, I got a 20-minute, non-stop history dump.

If you ask about his ex-girlfriend, be ready for a history dump...he doesn't know when to stop.
by FlyingBrain March 27, 2012
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The act of recruiting several people to violently and relentlessly take massive dumps all over Randal Baisden’s yard and porch
(1)“Hey man did you see Randal what a red headed asshole we should get a few people together and have a ginger dump in his yard
(2)”if you don’t join in on the ginger dump your probably a cop or a secret ginger and America hates you -george washington
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Bees that fly around ricky because hes covered in garbage juices and soda sugar, especially when he is recycling old cans.
Ricky:Ahh fuckin dump bees!!!
Bubbles:Ahh get them off,Get them off!!!
Greasy Dump Bees
by Beanzy_94 March 31, 2019
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Greasy Greasy people,wearing shirts that look like they should be left at the dump when there
Tim Aubry, a greasy dump tiger
by mustard tigers April 22, 2011
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When your extremely horny that u put on porn and dry hump a pillow/Blanket then after cumming you fall asleep
When my brother leave my house after im going to do a Hump-A-Dump and call it a night
by MyPPHurtsAlittle September 15, 2021
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smash her and dash straight to the toilet to take that long anticipated shit.
Ed: Yo, last night I had the best hump and dump of my life
Sam: My man, you’re a legend.
by powerpuffhoes November 11, 2017
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A way to have sex without attaching feelings, often a one night stand with “no concequences” the dumper has no firtyer relations with the dumpee
Hey Oliver, how did your date go with Veronica?

Oliver: she just gave a hump and dump
by 😂bitchin! November 09, 2017
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